Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 197,218
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     200,283
Calibration 2     197,609
Calibration 3     197,192
ssj_ops@calibrated=197,400
100% 99.9% 197,400 197,218
90% 89.6% 177,660 176,967
80% 79.7% 157,920 157,335
70% 69.5% 138,180 137,097
60% 60.0% 118,440 118,454
50% 50.0% 98,700 98,740
40% 40.7% 78,960 80,334
30% 30.5% 59,220 60,127
20% 19.9% 39,480 39,306
10% 10.1% 19,740 19,966
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 14,568,660 1,494
Payment 14,568,651
Order Status 1,456,865
Delivery 1,456,866
Stock Level 1,456,867
Customer Report 14,568,659
Calibration 2 New Order 14,372,810 1,494
Payment 14,372,811
Order Status 1,437,280
Delivery 1,437,280
Stock Level 1,437,281
Customer Report 14,372,818
Calibration 3 New Order 14,341,718 1,494
Payment 14,341,715
Order Status 1,434,170
Delivery 1,434,171
Stock Level 1,434,172
Customer Report 14,341,713
100% 99.9% New Order 14,345,059 1,494
Payment 14,345,055
Order Status 1,434,508
Delivery 1,434,507
Stock Level 1,434,506
Customer Report 14,345,057
90% 89.6% New Order 12,871,885 1,494
Payment 12,871,876
Order Status 1,287,187
Delivery 1,287,187
Stock Level 1,287,189
Customer Report 12,871,880
80% 79.7% New Order 11,442,614 1,494
Payment 11,442,610
Order Status 1,144,260
Delivery 1,144,262
Stock Level 1,144,261
Customer Report 11,442,613
70% 69.5% New Order 9,971,323 1,494
Payment 9,971,324
Order Status 997,133
Delivery 997,132
Stock Level 997,132
Customer Report 9,971,324
60% 60.0% New Order 8,614,985 1,494
Payment 8,614,985
Order Status 861,497
Delivery 861,497
Stock Level 861,498
Customer Report 8,614,979
50% 50.0% New Order 7,181,304 1,494
Payment 7,181,295
Order Status 718,130
Delivery 718,130
Stock Level 718,129
Customer Report 7,181,296
40% 40.7% New Order 5,842,599 1,494
Payment 5,842,599
Order Status 584,259
Delivery 584,260
Stock Level 584,261
Customer Report 5,842,597
30% 30.5% New Order 4,372,983 1,494
Payment 4,372,983
Order Status 437,299
Delivery 437,298
Stock Level 437,299
Customer Report 4,372,984
20% 19.9% New Order 2,858,662 1,494
Payment 2,858,657
Order Status 285,865
Delivery 285,867
Stock Level 285,866
Customer Report 2,858,658
10% 10.1% New Order 1,452,154 1,494
Payment 1,452,158
Order Status 145,214
Delivery 145,217
Stock Level 145,216
Customer Report 1,452,149
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0