Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 197,787
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     201,142
Calibration 2     198,303
Calibration 3     197,593
ssj_ops@calibrated=197,948
100% 99.9% 197,948 197,787
90% 90.0% 178,153 178,210
80% 80.4% 158,358 159,141
70% 69.7% 138,564 137,890
60% 60.5% 118,769 119,809
50% 50.6% 98,974 100,088
40% 40.0% 79,179 79,210
30% 29.8% 59,384 59,016
20% 20.2% 39,590 39,890
10% 10.1% 19,795 19,900
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,631,962 1,494
Payment 14,631,964
Order Status 1,463,197
Delivery 1,463,198
Stock Level 1,463,196
Customer Report 14,631,962
Calibration 2 New Order 14,422,308 1,494
Payment 14,422,308
Order Status 1,442,231
Delivery 1,442,231
Stock Level 1,442,231
Customer Report 14,422,306
Calibration 3 New Order 14,370,758 1,494
Payment 14,370,755
Order Status 1,437,076
Delivery 1,437,076
Stock Level 1,437,076
Customer Report 14,370,755
100% 99.9% New Order 14,384,720 1,494
Payment 14,384,709
Order Status 1,438,473
Delivery 1,438,472
Stock Level 1,438,472
Customer Report 14,384,714
90% 90.0% New Order 12,961,250 1,494
Payment 12,961,249
Order Status 1,296,125
Delivery 1,296,127
Stock Level 1,296,126
Customer Report 12,961,248
80% 80.4% New Order 11,574,449 1,494
Payment 11,574,452
Order Status 1,157,445
Delivery 1,157,443
Stock Level 1,157,443
Customer Report 11,574,449
70% 69.7% New Order 10,029,119 1,494
Payment 10,029,117
Order Status 1,002,911
Delivery 1,002,912
Stock Level 1,002,912
Customer Report 10,029,117
60% 60.5% New Order 8,713,375 1,494
Payment 8,713,378
Order Status 871,340
Delivery 871,338
Stock Level 871,338
Customer Report 8,713,382
50% 50.6% New Order 7,279,533 1,494
Payment 7,279,536
Order Status 727,954
Delivery 727,954
Stock Level 727,954
Customer Report 7,279,534
40% 40.0% New Order 5,761,088 1,494
Payment 5,761,080
Order Status 576,109
Delivery 576,109
Stock Level 576,108
Customer Report 5,761,079
30% 29.8% New Order 4,292,209 1,494
Payment 4,292,216
Order Status 429,221
Delivery 429,220
Stock Level 429,221
Customer Report 4,292,212
20% 20.2% New Order 2,901,473 1,494
Payment 2,901,469
Order Status 290,147
Delivery 290,148
Stock Level 290,147
Customer Report 2,901,470
10% 10.1% New Order 1,447,308 1,494
Payment 1,447,315
Order Status 144,731
Delivery 144,729
Stock Level 144,731
Customer Report 1,447,315
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0