Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 206,897
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     208,566
Calibration 2     207,355
Calibration 3     207,182
ssj_ops@calibrated=207,269
100% 99.8% 207,269 206,897
90% 89.7% 186,542 185,874
80% 79.4% 165,815 164,635
70% 70.2% 145,088 145,492
60% 60.0% 124,361 124,356
50% 50.0% 103,634 103,718
40% 40.3% 82,907 83,486
30% 30.0% 62,181 62,156
20% 20.0% 41,454 41,363
10% 9.9% 20,727 20,516
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,171,268 1,494
Payment 15,171,263
Order Status 1,517,125
Delivery 1,517,126
Stock Level 1,517,126
Customer Report 15,171,264
Calibration 2 New Order 15,081,186 1,494
Payment 15,081,187
Order Status 1,508,119
Delivery 1,508,118
Stock Level 1,508,117
Customer Report 15,081,190
Calibration 3 New Order 15,070,258 1,494
Payment 15,070,258
Order Status 1,507,025
Delivery 1,507,027
Stock Level 1,507,027
Customer Report 15,070,260
100% 99.8% New Order 15,047,803 1,494
Payment 15,047,805
Order Status 1,504,781
Delivery 1,504,780
Stock Level 1,504,780
Customer Report 15,047,801
90% 89.7% New Order 13,519,794 1,494
Payment 13,519,797
Order Status 1,351,978
Delivery 1,351,978
Stock Level 1,351,980
Customer Report 13,519,792
80% 79.4% New Order 11,974,201 1,494
Payment 11,974,198
Order Status 1,197,420
Delivery 1,197,421
Stock Level 1,197,421
Customer Report 11,974,200
70% 70.2% New Order 10,581,847 1,494
Payment 10,581,839
Order Status 1,058,183
Delivery 1,058,184
Stock Level 1,058,184
Customer Report 10,581,841
60% 60.0% New Order 9,044,156 1,494
Payment 9,044,155
Order Status 904,415
Delivery 904,415
Stock Level 904,415
Customer Report 9,044,155
50% 50.0% New Order 7,543,308 1,494
Payment 7,543,307
Order Status 754,331
Delivery 754,330
Stock Level 754,330
Customer Report 7,543,306
40% 40.3% New Order 6,071,810 1,494
Payment 6,071,810
Order Status 607,183
Delivery 607,180
Stock Level 607,182
Customer Report 6,071,814
30% 30.0% New Order 4,520,607 1,494
Payment 4,520,607
Order Status 452,062
Delivery 452,061
Stock Level 452,062
Customer Report 4,520,601
20% 20.0% New Order 3,008,196 1,494
Payment 3,008,197
Order Status 300,820
Delivery 300,820
Stock Level 300,820
Customer Report 3,008,199
10% 9.9% New Order 1,492,120 1,494
Payment 1,492,121
Order Status 149,212
Delivery 149,213
Stock Level 149,212
Customer Report 1,492,122
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0