Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 192,040
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     195,917
Calibration 2     191,746
Calibration 3     191,843
ssj_ops@calibrated=191,795
100% 100.1% 191,795 192,040
90% 89.9% 172,615 172,426
80% 79.7% 153,436 152,849
70% 69.6% 134,256 133,458
60% 59.7% 115,077 114,510
50% 50.1% 95,897 96,055
40% 40.2% 76,718 77,030
30% 30.1% 57,538 57,643
20% 19.8% 38,359 38,054
10% 10.6% 19,179 20,282
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 14,251,183 1,494
Payment 14,251,186
Order Status 1,425,118
Delivery 1,425,118
Stock Level 1,425,117
Customer Report 14,251,187
Calibration 2 New Order 13,946,188 1,494
Payment 13,946,188
Order Status 1,394,619
Delivery 1,394,618
Stock Level 1,394,619
Customer Report 13,946,192
Calibration 3 New Order 13,952,282 1,494
Payment 13,952,290
Order Status 1,395,229
Delivery 1,395,229
Stock Level 1,395,230
Customer Report 13,952,289
100% 100.1% New Order 13,966,874 1,494
Payment 13,966,867
Order Status 1,396,686
Delivery 1,396,688
Stock Level 1,396,687
Customer Report 13,966,869
90% 89.9% New Order 12,540,317 1,494
Payment 12,540,318
Order Status 1,254,030
Delivery 1,254,030
Stock Level 1,254,033
Customer Report 12,540,321
80% 79.7% New Order 11,117,494 1,494
Payment 11,117,491
Order Status 1,111,749
Delivery 1,111,750
Stock Level 1,111,749
Customer Report 11,117,496
70% 69.6% New Order 9,706,218 1,494
Payment 9,706,218
Order Status 970,622
Delivery 970,621
Stock Level 970,621
Customer Report 9,706,219
60% 59.7% New Order 8,328,945 1,494
Payment 8,328,953
Order Status 832,896
Delivery 832,894
Stock Level 832,896
Customer Report 8,328,950
50% 50.1% New Order 6,986,747 1,494
Payment 6,986,745
Order Status 698,675
Delivery 698,676
Stock Level 698,675
Customer Report 6,986,744
40% 40.2% New Order 5,602,266 1,494
Payment 5,602,266
Order Status 560,227
Delivery 560,228
Stock Level 560,227
Customer Report 5,602,265
30% 30.1% New Order 4,192,294 1,494
Payment 4,192,294
Order Status 419,230
Delivery 419,230
Stock Level 419,230
Customer Report 4,192,294
20% 19.8% New Order 2,767,596 1,494
Payment 2,767,598
Order Status 276,760
Delivery 276,760
Stock Level 276,759
Customer Report 2,767,594
10% 10.6% New Order 1,475,110 1,494
Payment 1,475,112
Order Status 147,511
Delivery 147,511
Stock Level 147,511
Customer Report 1,475,108
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0