Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 198,255
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     199,419
Calibration 2     198,557
Calibration 3     198,553
ssj_ops@calibrated=198,555
100% 99.8% 198,555 198,255
90% 90.3% 178,699 179,249
80% 80.1% 158,844 158,963
70% 70.4% 138,988 139,733
60% 60.5% 119,133 120,052
50% 50.3% 99,277 99,856
40% 39.8% 79,422 79,038
30% 29.7% 59,566 59,043
20% 20.0% 39,711 39,666
10% 9.8% 19,855 19,510
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 14,506,438 1,494
Payment 14,506,436
Order Status 1,450,644
Delivery 1,450,645
Stock Level 1,450,644
Customer Report 14,506,433
Calibration 2 New Order 14,442,409 1,494
Payment 14,442,408
Order Status 1,444,241
Delivery 1,444,242
Stock Level 1,444,240
Customer Report 14,442,409
Calibration 3 New Order 14,440,300 1,494
Payment 14,440,297
Order Status 1,444,029
Delivery 1,444,030
Stock Level 1,444,031
Customer Report 14,440,298
100% 99.8% New Order 14,420,136 1,494
Payment 14,420,132
Order Status 1,442,013
Delivery 1,442,012
Stock Level 1,442,012
Customer Report 14,420,127
90% 90.3% New Order 13,037,315 1,494
Payment 13,037,313
Order Status 1,303,732
Delivery 1,303,731
Stock Level 1,303,731
Customer Report 13,037,318
80% 80.1% New Order 11,561,602 1,494
Payment 11,561,604
Order Status 1,156,159
Delivery 1,156,161
Stock Level 1,156,161
Customer Report 11,561,606
70% 70.4% New Order 10,162,750 1,494
Payment 10,162,755
Order Status 1,016,274
Delivery 1,016,275
Stock Level 1,016,275
Customer Report 10,162,752
60% 60.5% New Order 8,731,109 1,494
Payment 8,731,109
Order Status 873,112
Delivery 873,112
Stock Level 873,111
Customer Report 8,731,113
50% 50.3% New Order 7,262,265 1,494
Payment 7,262,262
Order Status 726,227
Delivery 726,226
Stock Level 726,227
Customer Report 7,262,263
40% 39.8% New Order 5,749,225 1,494
Payment 5,749,226
Order Status 574,923
Delivery 574,921
Stock Level 574,923
Customer Report 5,749,220
30% 29.7% New Order 4,294,120 1,494
Payment 4,294,118
Order Status 429,411
Delivery 429,411
Stock Level 429,412
Customer Report 4,294,121
20% 20.0% New Order 2,884,945 1,494
Payment 2,884,943
Order Status 288,493
Delivery 288,496
Stock Level 288,493
Customer Report 2,884,950
10% 9.8% New Order 1,418,962 1,494
Payment 1,418,963
Order Status 141,895
Delivery 141,896
Stock Level 141,897
Customer Report 1,418,961
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0